Why might it be the case that as someone consumers more of a good, the marginal utility they get from it decreases?

4. the condition requires that only one of the selected criteria be true for a record to be displayed.

Brokers such as paypal benefit online businesses because they do not charge fees like credit cards. they deliver the money to the business immediately. they cannot store credit card numbers. the business does not have to get an account with credit-card companies.

Awatch manufacturing company has priced its goods at a rate which is higher than what other companies offer. the watches made by this company do not have any stand out feature to differentiate itself from the other companies or justify its high price. this company would be considered as a firm.